/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package SQL2003.provider;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.command.CommandParameter;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;

import SQL2003.SQL2003Factory;
import SQL2003.SQL2003Package;
import SQL2003.Schema;
import SQL2003.impl.PredefinedTypeImpl;

/**
 * This is the item provider adapter for a {@link SQL2003.Schema} object. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 * 
 * @generated
 */
public class SchemaItemProvider extends ItemProviderAdapter implements
		IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public SchemaItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addNamePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Name feature.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * @generated
	 */
	protected void addNamePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Schema_name_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Schema_name_feature", "_UI_Schema_type"),
				 SQL2003Package.Literals.SCHEMA__NAME,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(
			Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(SQL2003Package.Literals.SCHEMA__BEHAVIOURAL_COMPONENTS);
			childrenFeatures.add(SQL2003Package.Literals.SCHEMA__DATATYPES);
			childrenFeatures.add(SQL2003Package.Literals.SCHEMA__TABLES);
		}
		return childrenFeatures;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EStructuralFeature getChildFeature(Object object, Object child) {
		// Check the type of the specified child object and return the proper feature to use for
		// adding (see {@link AddCommand}) it as a child.

		return super.getChildFeature(object, child);
	}

	/**
	 * This returns Schema.gif.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/Schema"));
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		String label = ((Schema)object).getName();
		return label == null || label.length() == 0 ?
			getString("_UI_Schema_type") :
			getString("_UI_Schema_type") + " " + label;
	}

	/**
	 * This handles model notifications by calling {@link #updateChildren} to update any cached
	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
	 * <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(Schema.class)) {
			case SQL2003Package.SCHEMA__NAME:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
			case SQL2003Package.SCHEMA__BEHAVIOURAL_COMPONENTS:
			case SQL2003Package.SCHEMA__DATATYPES:
			case SQL2003Package.SCHEMA__TABLES:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
				return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	@Override
	public Collection<?> getChildren(Object object) {
		ChildrenStore store = getChildrenStore(object);
		if (store != null) {
			return store.getChildren();
		}

		store = createChildrenStore(object);
		List<Object> result = store != null ? null : new ArrayList<Object>();
		EObject eObject = (EObject) object;

		for (EStructuralFeature feature : getAnyChildrenFeatures(object)) {
			if (feature.isMany()) {
				List<?> children = (List<?>) eObject.eGet(feature);
				int index = 0;
				for (Object unwrappedChild : children) {
					if (!(unwrappedChild instanceof PredefinedTypeImpl))// CUSTOM
					{
						//No se muestran los tipos predefinidos
						Object child = wrap(eObject, feature, unwrappedChild,
								index);
						if (store != null) {
							store.getList(feature).add(child);
						} else {
							result.add(child);
						}
						index++;
					}
				}
			} else {
				Object child = eObject.eGet(feature);
				if (child != null) {
					child = wrap(eObject, feature, child,
							CommandParameter.NO_INDEX);
					if (store != null) {
						store.setValue(feature, child);
					} else {
						result.add(child);
					}
				}
			}
		}
		return store != null ? store.getChildren() : result;
	}

	private Collection<? extends EStructuralFeature> getAnyChildrenFeatures(
			Object object) {
		Collection<? extends EStructuralFeature> result = getChildrenFeatures(object);
		return result.isEmpty() ? getChildrenFeatures(object) : result;
	}

	/**
	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s
	 * describing the children that can be created under this object. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	@Override
	protected void collectNewChildDescriptors(
			Collection<Object> newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__BEHAVIOURAL_COMPONENTS,
				SQL2003Factory.eINSTANCE.createFunction()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__BEHAVIOURAL_COMPONENTS,
				SQL2003Factory.eINSTANCE.createProcedure()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createARRAY()));

		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createBinaryStringType()));
		//
		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createBooleanType()));
		//
		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createCharacterStringType()));
		//
		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createDatetimeType()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createDistinctType()));
		//
		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createIntervalType()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createMULTISET()));

		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createNumericType()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createROW()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createReferenceType()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__DATATYPES,
				SQL2003Factory.eINSTANCE.createStructuredType()));

		// newChildDescriptors.add
		// (createChildParameter
		// (SQL2003Package.Literals.SCHEMA__DATATYPES,
		// SQL2003Factory.eINSTANCE.createXMLType()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__TABLES,
				SQL2003Factory.eINSTANCE.createBaseTable()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__TABLES,
				SQL2003Factory.eINSTANCE.createDerivedTable()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__TABLES,
				SQL2003Factory.eINSTANCE.createTypedTable()));

		newChildDescriptors.add(createChildParameter(
				SQL2003Package.Literals.SCHEMA__TABLES,
				SQL2003Factory.eINSTANCE.createView()));
	}

	/**
	 * Return the resource locator for this item provider's resources. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return SQL2003EditPlugin.INSTANCE;
	}

}
